MC MR MS M+ M- C ⌫ 2nd π e |x| x! % ÷ x² x³ x^y √x ∛x 7 8 sin cos tan sin⁻¹ cos⁻¹ 9 × log ln log₂ 10^x e^x 4 5 sinh cosh tanh sinh⁻¹ cosh⁻¹ 6 - x̄ Σx σ σ² nPr 1 2 nCr Rand ⌊x⌋ ⌈x⌉ Round 3 + ( ) EXP mod ± 0 . =